fixed spirograph to work with textext; some cleanings in colorize paths

extensions/fablabchemnitz/pathselection/pathselection.inx

@@ -3,10 +3,11 @@
     <name>Colorize Path Lengths</name>
     <id>fablabchemnitz.de.pathselection</id>
     <param name="selection" type="optiongroup" appearance="combo" gui-text="Selection: ">
-        <option value="Path_lengthselection">Length_selection</option>
-        <option value="Path_slantselection">Slant_selection</option>
+        <option value="path_lengthselection">Length selection</option>
+        <option value="path_slantselection">Slant selection</option>
     </param>
-    <param name="len1" type="float" gui-text="Len1: red                       &lt;     (px)" min="1" max="100">12</param>
+    <label>Unit for lengths is px</label>
+    <param name="len1" type="float" gui-text="Len1: red                       &lt;" min="1" max="100">12</param>
     <param name="len2" type="float" gui-text="Len2: green                   &lt; =" min="1" max="100">25</param>
     <param name="len3" type="float" gui-text="Len3: greenyellow         &lt; =" min="1" max="100">40</param>
     <param name="len4" type="float" gui-text="Len4: skyblue                &lt; =" min="1" max="100">60</param>

extensions/fablabchemnitz/pathselection/pathselection.py

@@ -69,8 +69,9 @@ class Length(inkex.EffectExtension):
   
     def effect(self):
         # loop over all selected paths
-        if self.options.selection=="Path_lengthselection":
-            for id, node in self.svg.selected.items():
+        if self.options.selection=="path_lengthselection":
+            if len(self.svg.selected) > 0:
+                for node in self.svg.selected.values():
                     if node.tag == inkex.addNS('path','svg'):  
                         l1,l2,l3,l4,l5=[],[],[],[],[]
                         p = paths.CubicSuperPath(inkex.paths.Path(node.get('d')))
@@ -99,9 +100,13 @@ class Length(inkex.EffectExtension):
                                 'stroke': i, 'stroke-linecap': 'butt', 'fill': 'none'}
                             attribs={'style':str(inkex.Style(s)),'d':str(paths.Path(paths.CubicSuperPath(x).to_path().to_arrays()))}
                             etree.SubElement(node.getparent(),inkex.addNS('path','svg'),attribs)
+            else:
+                self.msg('Please select some paths first.')
+                return
             
-        if self.options.selection=="Path_slantselection":
-            for id, node in self.svg.selected.items():
+        if self.options.selection=="path_slantselection":
+            if len(self.svg.selected) > 0:
+                for node in self.svg.selected.values():
                     if node.tag == inkex.addNS('path','svg'):  
                         hor1,ver2,slan3=[],[],[]
                         p = paths.CubicSuperPath(inkex.paths.Path(node.get('d')))
@@ -125,6 +130,9 @@ class Length(inkex.EffectExtension):
                                 'stroke': i, 'stroke-linecap': 'butt', 'fill': 'none'}
                             attribs={'style':str(inkex.Style(s)),'d':str(paths.Path(paths.CubicSuperPath(x).to_path().to_arrays()))}
                             etree.SubElement(node.getparent(),inkex.addNS('path','svg'),attribs)
+            else:
+                self.msg('Please select some paths first.')
+                return
 
 if __name__ == '__main__':
     Length().run()

extensions/fablabchemnitz/spirograph/inkscapeMadeEasy/inkscapeMadeEasy_Draw.py

@@ -23,7 +23,7 @@
 # --------------------------------------------------------------------------------------
 
 # Please uncomment (remove the # character) in the following line to disable LaTeX support via textext extension.
-# useLatex=False
+useLatex=False
 
 
 import os